diff -r 80ef3a206772 -r 48780e181b38 Symbian3/SDK/Source/GUID-FE94596E-B5BB-51FE-BE38-069840323915.dita --- a/Symbian3/SDK/Source/GUID-FE94596E-B5BB-51FE-BE38-069840323915.dita Fri Jul 16 17:23:46 2010 +0100 +++ b/Symbian3/SDK/Source/GUID-FE94596E-B5BB-51FE-BE38-069840323915.dita Tue Jul 20 12:00:49 2010 +0100 @@ -16,7 +16,7 @@ GSM encoding supports the GSM 7-bit default alphabet and GSM 7-bit default alphabet extension table through an escape mechanism.

Figure 1

Escape mechanism - +

The GSM 7-bit default alphabet consists of 128 characters. Each character is represented by 7 bits. 10 extra characters are defined in the GSM 7-bit default extension table. These characters are represented by an @@ -43,7 +43,7 @@ be decoded back to the same Unicode letter A instead of Á.

Figure 2

Lossy conversion - +
16-bit Unicode encoding

Unicode is an international standard character set. It @@ -74,7 +74,7 @@ as locking-single.

Figure 3

National language encoding - +

The single shift mechanism is useful when a message contains only a few characters outside the default GSM table. It is however inefficient when a message contains many unsupported characters, because each escaped